package com.pricecmp.attackFilter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet Filter implementation class DosFilter
 */
@WebFilter("/index/index.jsp")
public class DosFilter implements Filter {

	int count=0;
    /**
     * Default constructor. 
     */
    public DosFilter() {
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		// place your code here

		HttpServletRequest httpReq = (HttpServletRequest) request;
		HttpServletResponse httpRes = (HttpServletResponse) response;	
		count++;
		System.out.println(count);
		if(count<10)
			chain.doFilter(request, response);
		else 
			httpRes.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
